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3500 Chevy Overheat tranny & motor 2005 year

5 messages,  Last post on Oct 14, 2009 at 10:34 AM

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What is this discussion about? Chevrolet Silverado 3500HD, GMC Sierra 1500, Chevrolet Silverado 2500, Towing, Truck

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#1 of 5 3500 Chevy Overheat tranny & motor 2005 year by kswank May 07, 2009 (11:55 am)
I was hauling a horse trailer weighing about 13,500 up a grade and the tansmission warning came on that it was overheating & the motor light came on & said the same thing. It was about 95 degrees out & I had the air on. I was NOT in tow haul. Could that have been the problem?   Next week I need to haul it about 400 miles & am concerned. Had it at the mechanic & couldn't find anything. It is a 2005 year 3500 allison & duramax with about 100,000 miles. Please help - I am a woman and know nothing about this stuff & don't want to break down on a major highway with 3 horses. Replies to this message: obyone (May 07, 2009 9:52 pm) kswank (May 08, 2009 5:27 am) obyone (May 08, 2009 9:55 pm) joelc1 (Oct 14, 2009 10:34 am)
#2 of 5 Re: 3500 Chevy Overheat tranny & motor 2005 year [kswank] by obyone May 07, 2009 (9:52 pm)
Replying to: kswank (May 07, 2009 11:55 am) When was the last time the transmission fluid and the coolant replaced? Replies to this message: kswank (May 08, 2009 5:27 am) obyone (May 08, 2009 9:55 pm)
#3 of 5 Re: 3500 Chevy Overheat tranny & motor 2005 year [obyone] by kswank May 08, 2009 (5:27 am)
Replying to: obyone (May 07, 2009 9:52 pm) The fliuds were all checked but I don't know when they were replaced. Could that make it overheat? If so, I can have that done. Replies to this message: obyone (May 08, 2009 9:55 pm)
#4 of 5 Re: 3500 Chevy Overheat tranny & motor 2005 year [kswank] by obyone May 08, 2009 (9:55 pm)
Replying to: kswank (May 08, 2009 5:27 am) Mileage at 100K is the magic number to have them replaced. If either has old or low fluid level, that would be a cause for it to overheat especially with the added stress of towing.
#5 of 5 Re: 3500 Chevy Overheat tranny & motor 2005 year [kswank] by joelc1 Oct 14, 2009 (10:34 am)
Replying to: kswank (May 07, 2009 11:55 am) link titlewww.radiatorsrus.comlink">   If you have more than 10 degrees differance between top and bottom hose your radiator is plugged causing your problems. I use these guy's they are the best

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